Home / 1,320,547.91-1,974,999.87-1,149,582.83

Finding the Fourth Proportional to 1,320,547.91, 1,974,999.87 and 1,149,582.83

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Solution

The fourth proportional to 1,320,547.91, 1,974,999.87 and 1,149,582.83 is: 1,719,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,547.91 : 1,974,999.87 = 1,149,582.83 : x
  2. Step 2: Convert to fraction form
    1,320,547.91/1,974,999.87 = 1,149,582.83/x
  3. Step 3: Cross multiply
    1,320,547.91x = 1,974,999.87 × 1,149,582.83
  4. Step 4: Simplify right side
    1,320,547.91x = 2,270,425,929,929.23
  5. Step 5: Solve for x
    x = 2,270,425,929,929.23/1,320,547.91
  6. Step 6: Final answer
    x = 1,719,306.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.